docshell/base/nsDocShellEnumerator.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0 2 *
michael@0 3 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef nsDocShellEnumerator_h___
michael@0 8 #define nsDocShellEnumerator_h___
michael@0 9
michael@0 10 #include "nsISimpleEnumerator.h"
michael@0 11 #include "nsTArray.h"
michael@0 12 #include "nsIWeakReferenceUtils.h"
michael@0 13
michael@0 14 class nsIDocShellTreeItem;
michael@0 15
michael@0 16 /*
michael@0 17 // {13cbc281-35ae-11d5-be5b-bde0edece43c}
michael@0 18 #define NS_DOCSHELL_FORWARDS_ENUMERATOR_CID \
michael@0 19 { 0x13cbc281, 0x35ae, 0x11d5, { 0xbe, 0x5b, 0xbd, 0xe0, 0xed, 0xec, 0xe4, 0x3c } }
michael@0 20
michael@0 21 #define NS_DOCSHELL_FORWARDS_ENUMERATOR_CONTRACTID \
michael@0 22 "@mozilla.org/docshell/enumerator-forwards;1"
michael@0 23
michael@0 24 // {13cbc282-35ae-11d5-be5b-bde0edece43c}
michael@0 25 #define NS_DOCSHELL_BACKWARDS_ENUMERATOR_CID \
michael@0 26 { 0x13cbc282, 0x35ae, 0x11d5, { 0xbe, 0x5b, 0xbd, 0xe0, 0xed, 0xec, 0xe4, 0x3c } }
michael@0 27
michael@0 28 #define NS_DOCSHELL_BACKWARDS_ENUMERATOR_CONTRACTID \
michael@0 29 "@mozilla.org/docshell/enumerator-backwards;1"
michael@0 30 */
michael@0 31
michael@0 32 class nsDocShellEnumerator : public nsISimpleEnumerator
michael@0 33 {
michael@0 34 protected:
michael@0 35
michael@0 36 enum {
michael@0 37 enumerateForwards,
michael@0 38 enumerateBackwards
michael@0 39 };
michael@0 40
michael@0 41 public:
michael@0 42
michael@0 43 nsDocShellEnumerator(int32_t inEnumerationDirection);
michael@0 44 virtual ~nsDocShellEnumerator();
michael@0 45
michael@0 46 // nsISupports
michael@0 47 NS_DECL_ISUPPORTS
michael@0 48
michael@0 49 // nsISimpleEnumerator
michael@0 50 NS_DECL_NSISIMPLEENUMERATOR
michael@0 51
michael@0 52 public:
michael@0 53
michael@0 54 nsresult GetEnumerationRootItem(nsIDocShellTreeItem * *aEnumerationRootItem);
michael@0 55 nsresult SetEnumerationRootItem(nsIDocShellTreeItem * aEnumerationRootItem);
michael@0 56
michael@0 57 nsresult GetEnumDocShellType(int32_t *aEnumerationItemType);
michael@0 58 nsresult SetEnumDocShellType(int32_t aEnumerationItemType);
michael@0 59
michael@0 60 nsresult First();
michael@0 61
michael@0 62 protected:
michael@0 63
michael@0 64 nsresult EnsureDocShellArray();
michael@0 65 nsresult ClearState();
michael@0 66
michael@0 67 nsresult BuildDocShellArray(nsTArray<nsWeakPtr>& inItemArray);
michael@0 68 virtual nsresult BuildArrayRecursive(nsIDocShellTreeItem* inItem, nsTArray<nsWeakPtr>& inItemArray) = 0;
michael@0 69
michael@0 70 protected:
michael@0 71
michael@0 72 nsWeakPtr mRootItem; // weak ref!
michael@0 73
michael@0 74 nsTArray<nsWeakPtr> mItemArray; // flattened list of items with matching type
michael@0 75 uint32_t mCurIndex;
michael@0 76
michael@0 77 int32_t mDocShellType; // only want shells of this type
michael@0 78 bool mArrayValid; // is mItemArray up to date?
michael@0 79
michael@0 80 const int8_t mEnumerationDirection;
michael@0 81 };
michael@0 82
michael@0 83
michael@0 84 class nsDocShellForwardsEnumerator : public nsDocShellEnumerator
michael@0 85 {
michael@0 86 public:
michael@0 87
michael@0 88 nsDocShellForwardsEnumerator()
michael@0 89 : nsDocShellEnumerator(enumerateForwards)
michael@0 90 {
michael@0 91 }
michael@0 92
michael@0 93 protected:
michael@0 94
michael@0 95 virtual nsresult BuildArrayRecursive(nsIDocShellTreeItem* inItem, nsTArray<nsWeakPtr>& inItemArray);
michael@0 96
michael@0 97 };
michael@0 98
michael@0 99 class nsDocShellBackwardsEnumerator : public nsDocShellEnumerator
michael@0 100 {
michael@0 101 public:
michael@0 102
michael@0 103 nsDocShellBackwardsEnumerator()
michael@0 104 : nsDocShellEnumerator(enumerateBackwards)
michael@0 105 {
michael@0 106 }
michael@0 107 protected:
michael@0 108
michael@0 109 virtual nsresult BuildArrayRecursive(nsIDocShellTreeItem* inItem, nsTArray<nsWeakPtr>& inItemArray);
michael@0 110 };
michael@0 111
michael@0 112 #endif // nsDocShellEnumerator_h___

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